1
JEE Main 2024 (Online) 9th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The incorrect statement regarding ethyne is

A
The carbon - carbon bonds in ethyne is weaker than that in ethene
B
Both carbons are sp hybridised
C
The $$\mathrm{C}-\mathrm{C}$$ bonds in ethyne is shorter than that in ethene
D
Ethyne is linear
2
JEE Main 2024 (Online) 9th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Identify the product A and product B in the following set of reactions.

JEE Main 2024 (Online) 9th April Morning Shift Chemistry - Hydrocarbons Question 27 English

A
JEE Main 2024 (Online) 9th April Morning Shift Chemistry - Hydrocarbons Question 27 English Option 1
B
JEE Main 2024 (Online) 9th April Morning Shift Chemistry - Hydrocarbons Question 27 English Option 2
C
JEE Main 2024 (Online) 9th April Morning Shift Chemistry - Hydrocarbons Question 27 English Option 3
D
JEE Main 2024 (Online) 9th April Morning Shift Chemistry - Hydrocarbons Question 27 English Option 4
3
JEE Main 2024 (Online) 8th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Given below are two statements :

Statement (I) : $$\mathrm{S}_{\mathrm{N}} 2$$ reactions are 'stereospecific', indicating that they result in the formation of only one stereo-isomer as the product.

Statement (II) : $$\mathrm{S}_{\mathrm{N}} 1$$ reactions generally result in formation of product as racemic mixtures.

In the light of the above statements, choose the correct answer from the options given below :

A
Both Statement I and Statement II are false
B
Statement I is false but Statement II is true
C
Statement I is true but Statement II is false
D
Both Statement I and Statement II are true
4
JEE Main 2024 (Online) 8th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

In the given compound, the number of 2$$^\circ$$ carbon atom/s is ________.

JEE Main 2024 (Online) 8th April Morning Shift Chemistry - Hydrocarbons Question 24 English

A
Two
B
Three
C
Four
D
One
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